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Probably a Code?

Age 16 to 18
Challenge Level Yellow starYellow starYellow star
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This is an extended challenge suitable for keen groups or individuals, maths clubs and optional homework challenges.

With a very enthusiastic class you might wish to collectively discuss possible approaches to this difficult problem and suggest an experimental (i.e with a computer or spreadsheet) approach to the students if they wish to try it in their own time.

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Edward Wallace based his A Level Statistics Project on The Mean Game. Each picks 2 numbers. The winner is the player who picks a number closest to the mean of all the numbers picked.

Very Old Man

Is the age of this very old man statistically believable?

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The NRICH Project aims to enrich the mathematical experiences of all learners. To support this aim, members of the NRICH team work in a wide range of capacities, including providing professional development for teachers wishing to embed rich mathematical tasks into everyday classroom practice.

NRICH is part of the family of activities in the Millennium Mathematics Project.

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